Exams › JEE Main › Chemistry

The peptide that gives positive ceric ammonium nitrate and carbylamine tests is:

1. Gln - Asp
2. Asp - Gln
3. Ser - Lys
4. Lys - Asp

Correct answer: Ser - Lys

Solution

Ceric ammonium nitrate test is positive for -OH (serine side chain); carbylamine test is positive for a primary amine (lysine side chain). The dipeptide Ser-Lys gives both positive tests.

Related JEE Main Chemistry questions

• Table sugar is classified as a
• Which pair of compounds will both produce a positive result with Tollens’ reagent?
• The process of breaking down sucrose by hydrolysis is known as
• Identify the statement that is incorrect.
• How many amino acids present in proteins can be produced by the human body itself?
• Amylose is chemically a ________ made up of about 200–1000 α-D-(+)-glucose units joined through ______ glycosidic bonds.

⚔️ Practice JEE Main Chemistry free + battle 1v1 →